| Item Name | Screw Machine |
| Federal Supply Group (FSG) | Hardware and Abrasives |
| Federal Supply Class (FSC) | 5305 Screws |
| National Item Identification Number (NIIN) | 00-870-2990 (008702990) |
| NCB Code | USA (00) |
| Manufacturer | Allison Transmission Inc |
| MRC | Criteria | Characteristic |
|---|---|---|
| AAJF | THREAD DIRECTION | RIGHT-HAND |
| AASK | HEAD STYLE | FLAT COUNTERSUNK |
| AASL | HEAD DIAMETER | 0.480 INCHES MINIMUM AND 0.490 INCHES MAXIMUM |
| ABQZ | INTERNAL DRIVE STYLE | SLOT |
| AHYM | NOMINAL THREAD DIAMETER | 0.237 INCHES |
| CMLP | THREAD QUANTITY PER INCH | 28 |
| CRSQ | COUNTERSINK ANGLE | 120.0 DEGREES NOMINAL |
| CXCY | PART NAME ASSIGNED BY CONTROLLING AGENCY | NAVY SPECIAL PROJECT |
| CYAU | SCREW MATERIAL | STEEL CORROSION RESISTING |
| CYAW | SCREW MATERIAL DOCUMENT AND CLASSIFICATION | EMS 72614 FSCM 73342 MFR REF SINGLE MATERIAL RESPONSE |
| THSD | THREAD SERIES DESIGNATOR | UNS |
| AASA | THREAD LENGTH | 0.425 INCHES NOMINAL |
| AASB | FASTENER LENGTH | 0.615 INCHES MINIMUM AND 0.635 INCHES MAXIMUM |
| CFSG | NONSTANDARD THREAD PITCH DIAMETER | 0.2212 TO 0.2238 INCHES |
| CQFM | HARDNESS RATING | 286.0 BRINELL STANDARD MINIMUM AND 319.0 BRINELL STANDARD MAXIMUM |
| Components Related to NSN - 5305-00-870-2990, 5305008702990 | ||||
| 5325-01-017-8809 (5325010178809) | 5330-01-278-3019 (5330012783019) | 5365-01-304-3832 (5365013043832) | 5305-15-060-1487 (5305150601487) | |
| 5305-01-361-3193 (5305013613193) | 5330-01-259-4088 (5330012594088) | 5340-01-672-8342 (5340016728342) | 5342-00-452-9798 (5342004529798) | |
| 5310-01-175-0629 (5310011750629) | 5330-01-120-4149 (5330011204149) | 5331-01-441-4577 (5331014414577) | 5330-01-425-8795 (5330014258795) | |
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